package day_2022_4_to_7.day48;

import java.util.Scanner;

/**
 * 快到碗里来
 * @author haomin
 * @date 2022/05/24 14:15
 **/
public class Day26_2_CatToBoil {
    public static void main(String[] args){
        Scanner in = new Scanner(System.in);
        while(in.hasNext()){
            double length = in.nextDouble();
            double radius = in.nextDouble();
            double perimeter= (2 * 3.14 * radius);
            if(length <= perimeter){
                System.out.println("Yes");
            }else {
                System.out.println("No");
            }
        }
    }
}